Finding the Fourth Proportional to 1,190,579.34, 1,643,029.12 and 646,714.96
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Solution
The fourth proportional to 1,190,579.34, 1,643,029.12 and 646,714.96 is: 892,482.74
Step by Step Solution
- Step 1: Write the proportion equation
1,190,579.34 : 1,643,029.12 = 646,714.96 : x - Step 2: Convert to fraction form
1,190,579.34/1,643,029.12 = 646,714.96/x - Step 3: Cross multiply
1,190,579.34x = 1,643,029.12 × 646,714.96 - Step 4: Simplify right side
1,190,579.34x = 1,062,571,511,619.64 - Step 5: Solve for x
x = 1,062,571,511,619.64/1,190,579.34 - Step 6: Final answer
x = 892,482.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.